html {
    min-height: 100%;
    position: relative;
    overflow-x: hidden;
}

body {
    margin: 0 auto;
    margin-left: 0px;
    margin-right: 0px;
    box-sizing: border-box;
    background-color: white;
    color: #555;
    font-family: "PingFangSC,helvetica neue,hiragino sans gb,arial,microsoft yahei ui,microsoft yahei,simsun,sans-serif";
    font-size: 14px;
}

html,
body,
ul,
li {
    padding: 0;
    margin: 0;
}

body:before {
    content: "";
    display: block;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: -1;
    background-color: white
}

* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

div {
    box-sizing: border-box;
}

.fl {
    float: left !important;
}

.fr {
    float: right !important;
}

.none {
    display: inline-block;
    display: none !important;
}

.clearfix:before,
.clearfix:after {
    content: "";
    display: table;
}

.clearfix:after {
    clear: both;
}

.clearfix {
    *zoom: 1;
    clear: both;
}

ul,
li {
    list-style: none;
    list-style-type: none;
}

input {
    outline: none;
}

.pointer {
    cursor: pointer;
}

a {
    text-decoration: none;
    color: #555;
}

a:link {
    color: #555;
    text-decoration: none;
}

a.dodgerblue {
    color: #2D8BEF;
}

a:visited {
    color: #3385ff;
}

input::-webkit-input-placeholder,
textarea::-webkit-input-placeholder {
    color: #999;
}

input:-moz-placeholder,
textarea:-moz-placeholder {
    color: #999;
}

input::-moz-placeholder,
textarea::-moz-placeholder {
    color: #999;
}

input:-ms-input-placeholder,
textarea:-ms-input-placeholder {
    color: #bbb;
}

input.placeholder_white::-webkit-input-placeholder,
textarea.placeholder_white::-webkit-input-placeholder {
    color: #ecf2f9;
}

input.placeholder_white:-moz-placeholder,
textarea.placeholder_white:-moz-placeholder {
    color: #ecf2f9;
}

input.placeholder_white::-moz-placeholder,
textarea.placeholder_white::-moz-placeholder {
    color: #ecf2f9;
}

input.placeholder_white:-ms-input-placeholder,
textarea.placeholder_white:-ms-input-placeholder {
    color: #ecf2f9;
}

.mt_20
{
    margin-top:12px;
}